196038980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{907}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 420106176

約数和(自身を除く): 224067196

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 404, 428, 505, 535, 907, 1010, 1070, 1814, 2020, 2140, 3628, 4535, 9070, 10807, 18140, 21614, 43228, 54035, 91607, 97049, 108070, 183214, 194098, 216140, 366428, 388196, 458035, 485245, 916070, 970490, 1832140, 1940980, 9801949, 19603898, 39207796, 49009745, 98019490, 196038980]

約数ペア:

[(1, 196038980), (2, 98019490), (4, 49009745), (5, 39207796), (10, 19603898), (20, 9801949), (101, 1940980), (107, 1832140), (202, 970490), (214, 916070), (404, 485245), (428, 458035), (505, 388196), (535, 366428), (907, 216140), (1010, 194098), (1070, 183214), (1814, 108070), (2020, 97049), (2140, 91607), (3628, 54035), (4535, 43228), (9070, 21614), (10807, 18140)]